Just found out that our power cooperative has a website that provides its members with statistics on their power usage. One of the things it does is graphs the usage for the past two years. Just thought I'd let you know this so you could check to see if your power company doesn't also have this free service. Here is our chart for power use: It is also selling power meters to members for $33. It plugs into the wall and then you plug the appliance cord into the meter. The meter measures the wattage consumption of the appliance.